<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // var num1 = 10;
        // var num2 = 20;
        // if(num1 > num2){
        //     console.log(num1);
        // }
        // else{
        //     console.log(num2);
            
        // }

        var day = 3;
        if(day === 0){
            console.log("今天是周一");
        }
        else if(day === 1){
            console.log("今天是周二");
            
        }
        else if(day === 2){
            console.log("今天是周三");
            
        }
        else if(day === 3){
            console.log("今天是周四");
            
        }
        else if(day === 4){
            console.log("今天是周五");
            
        }
        else if(day === 5){
            console.log("今天是周六");
            
        }
        else if(day === 6){
            console.log("今天是周日");
            
        }
        
    </script>
</body>
</html>